The concept of rendering data passing between two points over an IP based network impervious to all but the
most sophisticated advanced persistent threats is BEST categorized as which of the following?

A network stream needs to be encrypted. Sara, the network administrator, has selected a cipher which will
encrypt 8 bits at a time before sending the data across the network. Which of the following has Sara selected?

In order to securely communicate using PGP, the sender of an email must do which of the following when
sending an email to a recipient for the first time?

Users need to exchange a shared secret to begin communicating securely. Which of the following is another
name for this symmetric key?

Symmetric encryption utilizes __________, while asymmetric encryption utilizes _________.

Encryption used by RADIUS is BEST described as:

Which of the following is true about asymmetric encryption?

A company uses PGP to ensure that sensitive email is protected. Which of the following types of cryptography
is being used here for the key exchange?

Which of the following protocols uses an asymmetric key to open a session and then establishes a symmetric
key for the remainder of the session?

A file on a Linux server has default permissions of rw-rw-r–. The system administrator has verified that Ann, a
user, is not a member of the group owner of the file. Which of the following should be modified to assure that
Ann has read access to the file?